什么是helperGrowEdges函数在MATLAB中 [英] What is helperGrowEdges function in MATLAB
问题描述
我在matlab文件中的教学课程 http://www.mathworks.com/help/vision/examples/automatically-detect-and-recognize-text-in-natural-images.html
I was following a tutorial in matlab documentation at http://www.mathworks.com/help/vision/examples/automatically-detect-and-recognize-text-in-natural-images.html
在那里,他们使用一个函数 helperGrowEdges
,但我现在还没有被识别。我验证了我有计算机视觉系统工具箱。我无法计算如何实现它。它说它'通过使用边缘位置的图像渐变向外生长边缘,但我不能弄清楚如何实现是很好的。
There they use a function helperGrowEdges
but I it is not being recognized right now. I verified that I have Computer Vision System Toolbox. I am unable to figure how to implement it. It says it 'Grow the edges outward by using image gradients around edge locations', but I am unable to figure out how to implement is well.
推荐答案
正如Naveh所暗示的,它的工作原理那些函数只存在于MATLAB 2014版本,而不是在旧版本。
旧版本没有这个例子,当我尝试打开编辑 TextDetectionExample
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